108772143 has 4 divisors (see below), whose sum is σ = 145029528. Its totient is φ = 72514760.

The previous prime is 108772133. The next prime is 108772159. The reversal of 108772143 is 341277801.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 108772143 - 2⁹ = 108771631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108772123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18128688 + ... + 18128693.

It is an arithmetic number, because the mean of its divisors is an integer number (36257382).

Almost surely, 2^108772143 is an apocalyptic number.

108772143 is a deficient number, since it is larger than the sum of its proper divisors (36257385).

108772143 is an equidigital number, since it uses as much as digits as its factorization.

108772143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36257384.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 108772143 is about 10429.3884288581. The cubic root of 108772143 is about 477.3525295906.

The spelling of 108772143 in words is "one hundred eight million, seven hundred seventy-two thousand, one hundred forty-three".